﻿// Copyright (c) 2009, James Killick
// http://code.google.com/p/kosher/
// All rights reserved.

// Redistribution and use in source and binary forms, with or without 
// modification, are permitted provided that the following conditions are met:

//     * Redistributions of source code must retain the above copyright notice, 
//       this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright notice,
//       this list of conditions and the following disclaimer in the documentation
//       and/or other materials provided with the distribution.
//     * Neither the name of the Kosher team nor the names of its contributors may 
//       be used to endorse or promote products derived from this software without 
//       specific prior written permission.

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

using System;
using NUnit.Framework;

namespace Kosher.Tests
{
    [TestFixture]
    public class KeyedErrorCollectionFixture
    {
        [Test]
        public void Cannot_Add_two_ErrorCollection_objects_with_the_same_Key()
        {
            var sut = new KeyedErrorCollection<string>();

            var errorCollection1 = new ErrorCollection<string>("key1");
            var errorCollection2 = new ErrorCollection<string>("key1");

            sut.Add(errorCollection1);
            Assert.Throws<ArgumentException>(() => sut.Add(errorCollection2));
        }

        [Test]
        public void Cannot_Add_the_same_ErrorCollection_object_twice()
        {
            var sut = new KeyedErrorCollection<string>();

            var errorCollection1 = new ErrorCollection<string>("key1");

            sut.Add(errorCollection1);
            Assert.Throws<ArgumentException>(() => sut.Add(errorCollection1));
        }

        [Test]
        public void ToString_does_not_accept_null_formatter()
        {
            Assert.Throws<ArgumentNullException>(() => new KeyedErrorCollection<string>().ToString(null));
        }

        [Test]
        public void ToString_uses_passed_formatter()
        {
            var sut = new KeyedErrorCollection<string>();
            var randomStr = new Random(DateTime.Now.Millisecond).Next(1000, int.MaxValue).ToString();
            sut.Add(new ErrorCollection<string>("key1"));
            sut["key1"].Add("error1");
            var result = sut.ToString(col => randomStr);
            Assert.AreEqual(randomStr, result);
        }
    }
}
